<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>10.16</title>

    <style>
        * {
            margin: 0;
            padding: 0;
        }
        body {
            width: 100%;
            height: 100%;
        }
        button{
            width: 100px;
            height: 100px;
        }
        table{
          border: 1px solid black;
        }
        th, td {
            border: 1px solid black;
            padding: 8px;
            text-align: left;
        }
        
    </style>
</head>
<body>
    <div class="box">

    </div>
    <button>渲染</button>
    <script>
        let data = [
        {
          id: 1,
          name: 'iPhone 15',
          price: 5999,
        },
        {
          id: 2,
          name: 'iPhone 15 Pro',
          price: 7999,
        },
        {
          id: 3,
          name: 'iPhone 15 Pro Max',
          price: 8999,
        },
      ];
      let btn = document.querySelector('button');
      let div1 = document.querySelector('.box');
      let table = document.createElement('table');
      div1.appendChild(table);
      btn.onclick = function() {
        for (let i = 0; i < data.length+1; i++) {
            let newTr = document.createElement('tr');
            let th = document.createElement('th');
            table.appendChild(newTr);
            let Th = document.querySelector('th');
            for (let j = 0; j < data.length; j++) { 
              let newTh = document.createElement('th');
              newTr.appendChild(newTh);
            }
          }
          let Th = document.querySelectorAll('th');
          Th[0].appendChild(document.createTextNode('名称'));
          Th[1].appendChild(document.createTextNode('型号'));
          Th[2].appendChild(document.createTextNode('价格'));
          console.log(Th);

          for (let i = 0; i < data.length; i++) {
          const index = i * 3;
          Th[index + 3].appendChild(document.createTextNode(data[i].id));
          Th[index + 4].appendChild(document.createTextNode(data[i].name));
          Th[index + 5].appendChild(document.createTextNode(data[i].price));
        }
      };    
            
        
    </script>
</body>
</html>